Naval Historywith Dr. Alex

Q&A · 1:41:33-1:43:34

Could revealing Yamato have delayed the Pacific War?

A counterfactual argues that publicizing Japan's 18-inch-gun battleships could force an American fleet withdrawal and alter the timing of war.

DeterrenceImperial Japanese NavyMusashiPearl HarborYamato
Watch at this timeFull video guide
Question

Did Japan lose a deterrent opportunity by concealing Yamato and Musashi?

Short answer

Possibly. Revealing their 18-inch guns might have forced the United States to withdraw its older battle line and delay the Pacific conflict.

Notes

Secrecy deprived Japan of a possible deterrent effect from Yamato and Musashi. If their 18-inch guns had been revealed, American public and political pressure might have made it difficult to leave older battleships exposed at Pearl Harbor. Pulling the Pacific Fleet back would reduce immediate American influence in East Asia and remove the historical target around which Japan planned its opening strike. A delay of perhaps two years could let the European and Mediterranean wars develop further, including greater British concentration against Italy. This does not make Japan's larger strategy sound, but it shows how displaying a capability can reshape an opponent's deployment and the timetable of crisis.